package org.example.blog.mapper;

import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;
import org.apache.ibatis.annotations.Update;
import org.example.blog.model.BlogInfo;

import java.util.List;

@Mapper
public interface BlogInfoMapper {

    /*
    * 查询所有博客
    * */
    @Select("select id,title,content,user_id,update_time from `blog` where delete_flag = 0 order by id desc")
    List<BlogInfo> selectALL();

    /*
    * 根据ID查询博客信息
    * */
    @Select("select id,title,content,user_id,update_time from `blog` where id = #{id} and delete_flag = 0;")
    BlogInfo selectById(Integer id);

    /*
    *插入博客
    * */
    @Insert("insert into `blog` (title,content,user_id) values (#{title}, #{content}, #{userId})")
    Integer insertBlog(BlogInfo blogInfo);

    /*
    * 更新博客  动态sql
    * */
    Integer updateBlog(BlogInfo blogInfo);
}
